dispatcher: fix JLink boot method to support LPC55S

Signed-off-by: Milosz Wasilewski <milosz.wasilewski@linaro.org>
16 jobs for jlink__boot_fixes in 15 minutes and 58 seconds (queued for 4 seconds)
latest
Status Job ID Name Coverage
  Test
passed #119174
amd64
dispatcher-debian-10

00:02:11

passed #119176
amd64
dispatcher-debian-11

00:02:18

passed #119175
amd64
server-debian-10

00:02:52

passed #119177
amd64
server-debian-11

00:04:53

 
  Analyze
passed #119178
amd64-dind
bandit-sast

00:00:55

passed #119179
amd64
black

00:00:32

passed #119180
amd64
code_quality

00:00:20

passed #119185
amd64
codespell

00:00:18

passed #119181
amd64
coverage

00:06:27

60.92%
passed #119182
amd64
dockerfiles

00:00:15

passed #119184
amd64
pylint

00:03:05

passed #119183
amd64
schemas

00:00:29

 
  Build
passed #119187
amd64
debian/10

00:01:57

passed #119186
amd64
doc

00:01:15

passed #119188
amd64-dind
docker-amd64-dispatcher

00:04:10

passed #119189
amd64-dind
docker-amd64-server

00:04:32